Sample essay topic, essay writing: Bluetooth - 760 words

BLUETOOTHTechnology is constantly advancing in all different directions. Some see it as a good thing others see it as a horrible tragedy. Personally I feel that with out technology the quality of the lives we live would still be the same we just would not be able to communicate with each other as easily. Communicating with each other is a very important and vital brick in the building block of our daily lives. Just imagine how much you could get accomplished if you could not communicate with anyone; other than those close enough to you to talk to.

Imagine if it still took three or four days to get a letter from California to New York. Would businesses be able to operate at the same speed? Communications however, effects much more than just the business world. Communications effects our daily lives. Recently a new technology was introduced to the electronics world. This technology is known as Bluetooth. Bluetooth is a wireless networking standard for your personal area that provides license-free operation in Europe, Japan, and the United States

What makes Bluetooth so special is its ability to create a wireless link between devices equipped with this new technology. Bluetooth opens us up to a new level of data communications. By making it possible to communicate wirelessly to any device equipped with a Bluetooth chip. Mobile phones can communicate with lap top computers, digital daily planners can be linked to personal computers and have e-mail down loaded to them the moment it is sent a multitude of possibilities are born. Bluetooth works on a 24.5 GHz ISM 'free band' which means that there is no restrictions for travelers using Bluetooth enabled equipment. For transmission of information between Bluetooth enabled devices there is no necessary 'line of sight,' which means that these devices do not work in the same fashion that television remote controls work. Devices that are equipped with Bluetooth can communicate room to room or from different floors in an office building instantaneously sharing and updating information. The baseband protocol for the Bluetooth chip is a combination of circuit and packet switching, which makes it possible to transmit both voice and data with the same device. The Bluetooth chip has two channels one channel capable of transmitting a 64 Kbit/s synchronous (voice) link, while channel two the asynchronous channel can support a 721Kbit/s asymmetric link in either direction.

Both channel one and two are transmitted while allowing 57.6Kbit/s of information in the return direction. The actual link range is anywhere from 10cm to 10m between devices, however links can be extended to 100m+ by increasing the transmit power. Data terminal equipment (DTE) uses a method of establishing a temporary full-duplex connection to another data station known as circuit switching. Once a connection is made the channel and the bandwidth provided by the switching network become exclusive to the equipment being used until the connection is broken by one of the stations. Once a switched connection is made all of the data being communicated is transmitted on the same channel for the entire transmission.

No time buffering is necessary making this method of exchanging data very effective when you are dealing with high data transfer rates. Packet switching is another method of data communications that until recently had been' the most advanced and established method of data switching technology used for Wide Area Networks.' (Warren Hioki, pg. 374). Packet switching breaks down the information being sent into units of variable length known as 'packets.' Breaking the information down in to packets makes it possible to have multiple users on the same channel. Packets of information are assembled and disassembled by a P. A.D.

(packet assembler/disassembler). These packets of information do not necessarily end up at the receiving end in the same order in which they are sent, nor do they take the same line of transmission. The packets are gathered at the receiving node and placed in their original order. Bluetooth technology seems to be a very important step in communications field. Being able to update the files in your personal computer through your laptop, or access the Internet through your phone or digital planner can prove to be almost a necessity in big business today. This however is only the first step.

The kind of technological advances that we can expect to see in the not so distant future will probably be shocking. Hopefully with all of this technology at our fingertips we as a society will not loose sight of what is really important.

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15 December 2014. Author: Criticism